• final conclusion on slime sealant- the final straw! of 2 out of 3 of the tubes I had to make little incisons to add the slime, have now completely failed the unusual thing is they seem to hold up to about 100psi and then the slime itself seems to remove the repair patch, it then becomes impossible to do a traditional repair so , the slime itself seems to work its way through the traditional patch, my advice,

    DON'T bother if you have to make an incision in the tube

    as a result I now have to replace 2 good inner tubes (700x23) I suffered this misery so you don't!

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